Very, very enjoyable 1950 B-Noir. The script is surprisingly good with many cracklings lines and situations.
Norman Foster (JOURNEY INTO FEAR and RACHEL AND THE STRANGER) directs. He certainly does well, although the climactic finale (though strong) would have benefited from a Welles or Hitchcock (few films wouldn't, I hear you say).
Hal Mohr (WEDDING MARCH, MIDSUMMER NIGHT'S DREAM) photographs it, though this MPEG4 copy doesn't show enough detail to really rate his work. But what is visible is certainly pleasing.
An enjoyable cast moves things along with many denizens (character actors) of San Francisco given a little line here and there by the script. These details, along with the exciting and extensive location work, help to give the film a strong atmosphere.
The film's only real mistake, arguably, was revealing the surprising twist quite early on.
All in all, one of the best films I've downloaded from archive.org
and the perfect movie to watch at midnight with a cup of steaming black coffee (a little added rum in there is allowed on cold nights)!
Now if you'll excuse me, I have to go walk Rembrandt.